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We achieved optical resolution of 4,7,12,15-tetrasubstituted 2.2paracyclophane and subsequent transformation to planar chiral building blocks. An optically active propeller-shaped macrocyclic compound containing a planar chiral cyclophane core was synthesized, showing excellent chiroptical properties such as high fluorescence quantum efficiency and a large circularly polarized luminescence dissymmetry factor.
Morisaki et al. (Mon,) studied this question.